//package us.webone.webone.security_service;
//
//import org.springframework.security.core.userdetails.UserDetails;
//import org.springframework.security.core.userdetails.UserDetailsService;
//
//public class MyUserDetailService implements UserDetailsService {
//
//    /**
//     * 从数据库中取出用户名、密码以及权限相关的信息。最后返回一个UserDetails 实现类
//     * @param username
//     * @return
//     */
//    @Override
//    public UserDetails loadUserByUsername(String username){
//        return null;
//    }
//}
